Juan Martin del Potro advanced when Andreas Seppi retired 4-1 in the Cincinnati Masters round of 64. Juan Martin del Potro extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-24 | Wimbledon | R16 | grass | Juan Martin del Potro | 6-4 7-6(2) 6-3 |
| 2012-07-25 | London Olympics | R32 | grass | Juan Martin del Potro | 6-3 7-6(2) |
| 2009-05-17 | Dusseldorf | RR | clay | Juan Martin del Potro | 6-3 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.